πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 − 3 = ? Think addition: 3 + ? = 4
Answer: ______________
26 − 5 = ? Think addition: 5 + ? = 6
Answer: ______________
3? + 4 = 8
Answer: ______________
4? − 2 = 7
Answer: ______________
56 − 1 = ? Think addition: 1 + ? = 6
Answer: ______________
6? + 2 = 10
Answer: ______________
76 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
8? − 2 = 2
Answer: ______________
97 − ? = 5
Answer: ______________
10? − 1 = 7
Answer: ______________
11? − 2 = 5
Answer: ______________
121 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 1
- 3. 4
- 4. 9
- 5. 5
- 6. 8
- 7. 3
- 8. 4
- 9. 2
- 10. 8
- 11. 7
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number